CN106189788A - A kind of anti static antibacterial coating and preparation method thereof - Google Patents
A kind of anti static antibacterial coating and preparation method thereof Download PDFInfo
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- CN106189788A CN106189788A CN201610748833.5A CN201610748833A CN106189788A CN 106189788 A CN106189788 A CN 106189788A CN 201610748833 A CN201610748833 A CN 201610748833A CN 106189788 A CN106189788 A CN 106189788A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 52
- 238000000576 coating method Methods 0.000 title claims abstract description 43
- 239000011248 coating agent Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 38
- 230000003068 static effect Effects 0.000 title claims abstract description 27
- 239000006185 dispersion Substances 0.000 claims abstract description 66
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- 230000000845 anti-microbial effect Effects 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 239000002904 solvent Substances 0.000 claims abstract description 23
- 239000002270 dispersing agent Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000011231 conductive filler Substances 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000013530 defoamer Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 131
- 229910021389 graphene Inorganic materials 0.000 claims description 102
- 239000002096 quantum dot Substances 0.000 claims description 79
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 66
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 63
- 239000000243 solution Substances 0.000 claims description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 238000013019 agitation Methods 0.000 claims description 38
- 239000004408 titanium dioxide Substances 0.000 claims description 34
- 229910052709 silver Inorganic materials 0.000 claims description 32
- 239000004332 silver Substances 0.000 claims description 32
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Substances [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 30
- 229910001923 silver oxide Inorganic materials 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 27
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 26
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 24
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 23
- 239000000725 suspension Substances 0.000 claims description 23
- 229910002804 graphite Inorganic materials 0.000 claims description 22
- 239000010439 graphite Substances 0.000 claims description 22
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexyloxide Natural products O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 12
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 11
- 229950000845 politef Drugs 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 239000012065 filter cake Substances 0.000 claims description 10
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 10
- 239000005457 ice water Substances 0.000 claims description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 9
- 229910052700 potassium Inorganic materials 0.000 claims description 9
- 239000011591 potassium Substances 0.000 claims description 9
- 239000001117 sulphuric acid Substances 0.000 claims description 8
- 235000011149 sulphuric acid Nutrition 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- 239000006229 carbon black Substances 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 229920005749 polyurethane resin Polymers 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- LLYXJBROWQDVMI-UHFFFAOYSA-N 2-chloro-4-nitrotoluene Chemical compound CC1=CC=C([N+]([O-])=O)C=C1Cl LLYXJBROWQDVMI-UHFFFAOYSA-N 0.000 claims description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 239000001913 cellulose Substances 0.000 claims description 5
- 229920002678 cellulose Polymers 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000012286 potassium permanganate Substances 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 230000003115 biocidal effect Effects 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- 241000894007 species Species 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 3
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 229920002396 Polyurea Polymers 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 125000002243 cyclohexanonyl group Chemical group *C1(*)C(=O)C(*)(*)C(*)(*)C(*)(*)C1(*)* 0.000 claims description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 2
- 229920001225 polyester resin Polymers 0.000 claims description 2
- 239000004645 polyester resin Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 229920002050 silicone resin Polymers 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 239000002086 nanomaterial Substances 0.000 claims 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 235000019241 carbon black Nutrition 0.000 description 6
- 235000019439 ethyl acetate Nutrition 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229920005615 natural polymer Polymers 0.000 description 6
- YASYEJJMZJALEJ-UHFFFAOYSA-N Citric acid monohydrate Chemical compound O.OC(=O)CC(O)(C(O)=O)CC(O)=O YASYEJJMZJALEJ-UHFFFAOYSA-N 0.000 description 5
- 229960002303 citric acid monohydrate Drugs 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000012046 mixed solvent Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- ZHMOXORLBQHYAG-UHFFFAOYSA-N C(CC(O)(C(=O)O)CC(=O)O)(=O)O.O.[Na].[Na].[Na].C(CC(O)(C(=O)O)CC(=O)O)(=O)O Chemical compound C(CC(O)(C(=O)O)CC(=O)O)(=O)O.O.[Na].[Na].[Na].C(CC(O)(C(=O)O)CC(=O)O)(=O)O ZHMOXORLBQHYAG-UHFFFAOYSA-N 0.000 description 4
- NMGYKLMMQCTUGI-UHFFFAOYSA-J diazanium;titanium(4+);hexafluoride Chemical compound [NH4+].[NH4+].[F-].[F-].[F-].[F-].[F-].[F-].[Ti+4] NMGYKLMMQCTUGI-UHFFFAOYSA-J 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- -1 titanium dioxide graphite Alkene Chemical class 0.000 description 3
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 3
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- OVAYUENYXYLHCL-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;hydrate Chemical compound O.OC(=O)CC(O)(C(O)=O)CC(O)=O.OC(=O)CC(O)(C(O)=O)CC(O)=O OVAYUENYXYLHCL-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- STDOKXGTOHCKPX-UHFFFAOYSA-N O.[Na].[Na].[Na].C(CC(O)(C(=O)O)CC(=O)O)(=O)O Chemical compound O.[Na].[Na].[Na].C(CC(O)(C(=O)O)CC(=O)O)(=O)O STDOKXGTOHCKPX-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012531 culture fluid Substances 0.000 description 1
- 230000003013 cytotoxicity Effects 0.000 description 1
- 231100000135 cytotoxicity Toxicity 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Inorganic Chemistry (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Paints Or Removers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of anti static antibacterial coating and preparation method thereof, the method comprises the following steps: film forming matter is dissolved in solvent by (1), prepares film forming matter solution after mix homogeneously；(2) take 10 ~ 20 parts of antimicrobial composite materials and add in 1/3 film forming matter solution, high speed dispersion 60 ~ 90min, obtain antibacterial dispersion liquid；(3) take 10 ~ 20 parts of conductive fillers and add in 1/3 film forming matter solution, high speed dispersion 60 ~ 90min, obtain conductive dispersions;(4) antibacterial dispersion liquid, conductive dispersions are added in 1/3 film forming matter solution, high speed dispersion 60 ~ 90min, sequentially add 3 ~ 5 parts of dispersants, 1 ~ 5 part of levelling agent, 1 ~ 3 part of defoamer and 1 ~ 5 portion of anti-settling agent, high speed dispersion prepares anti static antibacterial coating the most afterwards.Coating of the present invention has excellent antibacterial and antistatic performance.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of anti static antibacterial coating and preparation method thereof.
Background technology
For the metal surface shell of electronic and electrical equipment, or the surface metal shell of all kinds of radiator, due to long-term sudden and violent
Dew is in atmosphere, it is easy to is corroded by oxygen in air and moisture content, and occurs corruption to get rusty, the shadow that gets rusty of metal surface shell
Ring these electronic and electrical equipments, or the normal work of all kinds of radiators etc. and appearance looks elegant.It is thus desirable to its metal shell
Carry out the cladding protection of coating.But, the common coating of tradition is typically the insulator coating that resistivity is higher so that this electronics electricity
Device equipment or spreader surface housing can slowly add up electrostatic during routine use, contacting side with surface metal shell
Coating on electrostatic energy be quickly transmitted on surface metal shell, then be transferred to underground by ground connection, and with air contact one
The coating of side, then due to the insulating properties of coating, be difficult to be conducted by electrostatic and dissipate, can only accumulate gradually, the most long-pending the more, the most very
To there will be electric discharge phenomena, so can affect the normal of electronic and electrical equipment and using and the safety of user.
The common traditional coating in market is natural resin or synthetic resin is base material, add various pigment, various filler,
Auxiliary agent solvent is machined to be fabricated by.Wearing no resistance and some existence frictions in using environment of some resin, uses
Often result in paint film abrasion, and lose function；The enzyme flora life of paint film can be caused again because of environmental wet thermal environment etc..
Summary of the invention
The technical problem to be solved there is provided a kind of anti static antibacterial coating and preparation method thereof.
The technical problem to be solved is achieved by the following technical programs:
A kind of preparation method of anti static antibacterial coating, it comprises the following steps:
(1) film forming matter is dissolved in solvent, after mix homogeneously, prepares film forming matter solution；Described film forming matter is saturated polyester resin
Or polyurethane resin；
(2) take 10 ~ 20 parts of antimicrobial composite materials and add in 1/3 film forming matter solution, high speed dispersion 60 ~ 90min, obtain antibacterial dispersion
Liquid；
(3) take 10 ~ 20 parts of conductive fillers and add in 1/3 film forming matter solution, high speed dispersion 60 ~ 90min, obtain conductive dispersions；
Described conductive filler is made up of porous carbon, CNT, white carbon black, graphite and nanometer aluminium powder 4:2:1:1:2 in mass ratio mixing；
Described conductive filler preparation method is as follows: by 5g cellulose, 12mg polystyrolsulfon acid potassium and 30ml water join 100ml
In water heating kettle, in 180 DEG C of baking ovens seal reaction 10h, cleaned after drying, under the air atmosphere of 900 DEG C calcine 1h, obtain
Porous carbon；CNT, nanometer aluminium powder, nano-graphite are dispersed in the aqueous solution of 120ml, immerse porous carbon 1 ~ 2h, allow and receive
Rice material well in duct, then sucking filtration；The filter cake of sucking filtration gained is immersed in 50ml sooty water solution, 30 ~ 60min,
Sucking filtration the most again；The filter cake distilled water wash of sucking filtration gained again, 120 DEG C of drying, obtain conduction and fill out under vacuum
Material；
(4) antibacterial dispersion liquid, conductive dispersions are added in 1/3 film forming matter solution, high speed dispersion 60 ~ 90min, sequentially add
3 ~ 5 parts of dispersants, 1 ~ 5 part of levelling agent, 1 ~ 3 part of defoamer and 1 ~ 5 portion of anti-settling agent, high speed dispersion prepares anti-electrostatic antibiotic the most afterwards
Coating.
In the present invention, described defoamer is organic siliconresin class defoamer, modified organic silicone resin class defoamer and two
At least two of the mixing species defoamer of silicon oxide and organic siliconresin；Described anti-settling agent is wax class anti-settling agent, silicon dioxide
At least one of class anti-settling agent and polyureas anti-settling agent；Described levelling agent is solvent levelling agent, acrylic compounds levelling agent and has
At least one of machine silicon class levelling agent.Described dispersant is natural polymer subclass dispersant, synthesis high score subclass dispersant, multivalence
At least one of carboxylic acids dispersant, block macromolecular copolymer analog dispersant and special ethylenic polymer species dispersant；Institute
Stating the mixture that solvent is esters solvent and ketones solvent, described esters solvent is ethyl acetate or butyl acetate, described ketone
Solvent is cyclohexanone, N-Methyl pyrrolidone, butanone or methyl iso-butyl ketone (MIBK).
In the present invention, the preparation method of a kind of antimicrobial composite material comprises the following steps:
(1) preparing graphene quantum dot suspension: weigh 0.5 ~ 0.8g C60 powder, measuring 50 ~ 100ml mass fraction is 98%
Concentrated sulphuric acid, C60 powder and concentrated sulphuric acid are mixed in beaker, beaker is placed in ice-water bath, simultaneously with the speed of 300 ~ 500rpm
Degree stirring, obtains mixed liquor；Weigh 0.5 ~ 3g potassium permanganate powder, add slowly in above-mentioned mixed liquor；Remove ice-water bath, change
Become water-bath, keep bath temperature 30 ~ 40 DEG C, react 5 ~ 8h；Rapidly join 100 ~ 200ml pure water, filter, then with retaining molecule
Amount be 1000 bag filter dialyse 3 days, obtain graphene quantum dot suspension；100rpm speed stirring graphene quantum dot suspends
Liquid, simultaneously laser irradiation 30 ~ 60min, laser irradiation power is 1 ~ 2W.
(2) graphene quantum dot of preparation load silver: (300 ~ 500W ultrasonic power, 200 ~ 300rpm stirs ultrasonic agitation
Speed) 50 ~ 60ml graphene quantum dot suspension, dropping concentration is 0.001 ~ 0.005mol/L silver nitrate solution, controls reaction
Temperature is 45 ~ 60 DEG C, and dropping concentration is 0.01～0.08mol/L bis-citric acid monohydrate trisodium, continue ultrasonic agitation 60 ~
120min；Ageing, cleans, and dries to load the graphene quantum dot of silver；Graphene quantum dot suspension, silver nitrate solution and two
The volume ratio of citric acid monohydrate trisodium is 3 ~ 4:2 ~ 3:1 ~ 2.
(3) by 0.1 ~ 0.5g load silver graphene quantum dot ultrasonic agitation (500 ~ 1000W ultrasonic power, 300 ~
500rpm mixing speed) it is scattered in ethanol；Add water and the ammonia of volume ratio 3 ~ 5:1 afterwards, be stirring evenly and then adding into positive silicon
(being 1 ~ 2:1 with the mass ratio of the graphene quantum dot of load silver, regulation pH value is 9 ~ 10 to acetoacetic ester, and reaction temperature is 20 ~ 25
DEG C, react 1 ~ 3 hour；It is centrifuged and cleans with acetone and deionized water successively obtaining precipitation；This is deposited in 90oDo under C
Dry 3h, to obtain SiO2The graphene quantum dot of the load silver of cladding.
(4) 0.1 ~ 0.3mol/L titanium source (titanium source is potassium fluotitanate, ammonium titanium fluoride, isopropyl titanate or titanium tetrachloride) is added
Enter in 1 mol/L sulfuric acid solution, mix homogeneously；Add the SiO that step (3) prepares2Cladding carries silver graphene quantum dot, heats up
To 100 ~ 110 DEG C, after reaction 2 ~ 4h, adjust pH value to 7 with concentrated ammonia solution, after be aged 6 hours, clean, be dried, obtain carrying silver-colored/
Titanium dioxide graphene quantum dot.
(5) surface carrying silver/titanium dioxide graphene quantum dot processes: 0.005 ~ 0.01g graphite oxide is joined 5 ~
In the dispersant (DMSO) of 10mL, ultrasonic agitation (300 ~ 500W ultrasonic power, 200 ~ 300rpm mixing speed) add 0.1 ~
0.3g carries silver/titanium dioxide graphene quantum dot, continues ultrasonic agitation 10 ~ 30min, moves to the microwave that liner is politef
In hydrothermal reaction kettle (50 mL), sealing and be placed in microwave assisted hydrothermal synthesis apparatus, microwave power is 200 ~ 400W, 200 ~ 240
60 ~ 90min is reacted at DEG C；Cooling, filter, dry surface process load silver/titanium dioxide graphene quantum dot.
(6) weigh porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) and be configured to the graphite that concentration is 0.2 ~ 0.8mg/ml
Alkene dispersion soln, solvent is water, acetone or dimethyl sulfoxide；(500 ~ 1000W ultrasonic power, 600 ~ 800rpm stirs ultrasonic agitation
Mix speed) 80 ~ 100ml graphene dispersion solution, add the load silver/titanium dioxide graphene quantum dot that step (5) prepares, ultrasonic
Stirring 10 ~ 30min, then moves in the reactor of politef, is incubated 15 ~ 30min at 80 ~ 120 DEG C；Cooling, centrifugal,
Clean, dry to obtain antimicrobial composite material.
There is advantages that
Coating of the present invention has excellent antibacterial and antistatic performance, can not only effectively evacuate coating surface electrostatic, prevent electronics
The safety used by interference and the raising electronic and electrical equipment of electrostatic during electric equipment work, and antimicrobial composite material is multiple
Close the anti-microbial property of silver particles and titanium dioxide, have more preferable antibacterial effect compared to single silver nano antibacterial agent, anti-
Bacterium is lasting.Meanwhile, coating of the present invention also has the characteristics such as wear-resisting, anticorrosion.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention,
It it not limitation of the invention.
Embodiment 1
A kind of porous graphene carries the preparation method of silver/titanium dioxide antimicrobial composite material, and it comprises the following steps:
(1) prepare graphene quantum dot suspension: weigh 0.5g C60 powder, measure the dense sulfur that 100ml mass fraction is 98%
Acid, mixes C60 powder and concentrated sulphuric acid in beaker, and beaker is placed in ice-water bath, stirs with the speed of 500rpm simultaneously, obtains mixed
Close liquid；Weigh 3g potassium permanganate powder, add slowly in above-mentioned mixed liquor；Remove ice-water bath, change water-bath into, keep water-bath
Temperature 30 ~ 40 DEG C, reacts 5h；Rapidly join 200ml pure water, filter, then with the bag filter dialysis 3 that molecular cut off is 1000
My god, obtain graphene quantum dot suspension；100rpm speed stirring graphene quantum dot suspension, simultaneously laser irradiation 30min, swash
Photoirradiation power is 2W.
(2) graphene quantum dot of preparation load silver: ultrasonic agitation (500W ultrasonic power, 300rpm mixing speed) 50ml
Graphene quantum dot suspension, dropping concentration is 0.005mol/L silver nitrate solution, and controlling reaction temperature is 50 DEG C, drips concentration
For 0.08mol/L bis-citric acid monohydrate trisodium, continue ultrasonic agitation 90min；Ageing, cleans, and dries to load the Graphene of silver
Quantum dot；The volume ratio of graphene quantum dot suspension, silver nitrate solution and two citric acid monohydrate trisodiums is 4:2:1.
(3) by the graphene quantum dot ultrasonic agitation (1000W ultrasonic power, 500rpm mixing speed) of 0.1g load silver
It is scattered in ethanol；Add water and the ammonia of volume ratio 5:1 afterwards, be stirring evenly and then adding into tetraethyl orthosilicate, with load silver
The mass ratio of graphene quantum dot is 1:1, and regulation pH value is 9 ~ 10, and reaction temperature is 20 ~ 25 DEG C, reacts 2 hours；Carry out from
The heart also cleans acquisition precipitation with acetone and deionized water successively；This is deposited in 90o3h it is dried, to obtain SiO under C2Bearing of cladding
Carry the graphene quantum dot of silver.
(4) 0.3mol/L titanium source (titanium source is potassium fluotitanate) is joined in 1 mol/L sulfuric acid solution, mix homogeneously；Add
Enter the SiO that step (3) prepares2Cladding carries silver graphene quantum dot, is warming up to 100 DEG C, after reaction 2h, adjusts pH with concentrated ammonia solution
Value is to 7, after being aged 6 hours, cleans, is dried, and obtains carrying silver/titanium dioxide graphene quantum dot.
(5) surface carrying silver/titanium dioxide graphene quantum dot processes: 0.005g graphite oxide joins dividing of 10mL
In powder (DMSO), ultrasonic agitation (500W ultrasonic power, 300rpm mixing speed) also adds 0.3g load silver/titanium dioxide graphite
Alkene quantum dot, continues ultrasonic agitation 30min, moves in the microwave hydrothermal reaction kettle (50 mL) that liner is politef, seals
Being placed in microwave assisted hydrothermal synthesis apparatus, microwave power is 200W, reacts 60min at 240 DEG C；Cooling, filters, dries
The load silver/titanium dioxide graphene quantum dot that surface processes.
(6) weigh porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) to be configured to the Graphene that concentration is 0.2mg/ml and divide
Dissipating solution, solvent is water, acetone or dimethyl sulfoxide；Ultrasonic agitation (1000W ultrasonic power, 800rpm mixing speed) 100ml
Graphene dispersion solution, the load silver/titanium dioxide graphene quantum dot that addition step (5) prepares, ultrasonic agitation 30min, then
Move in the reactor of politef, at 100 DEG C, be incubated 30min；Cooling, centrifugal, clean, dry to obtain antibacterial composite wood
Material.
Embodiment 2
A kind of porous graphene carries the preparation method of silver/titanium dioxide antimicrobial composite material, and it comprises the following steps:
(1) prepare graphene quantum dot suspension: weigh 0.6g C60 powder, measure 50 ~ 100ml mass fraction be 98% dense
Sulphuric acid, mixes C60 powder and concentrated sulphuric acid in beaker, and beaker is placed in ice-water bath, stirs with the speed of 500rpm simultaneously,
Mixed liquor；Weigh 1g potassium permanganate powder, add slowly in above-mentioned mixed liquor；Remove ice-water bath, change water-bath into, keep water
Bath temperature 30 ~ 40 DEG C, reacts 7h；Rapidly join 200ml pure water, filter, then saturating with the bag filter that molecular cut off is 1000
Analyse 3 days, obtain graphene quantum dot suspension；100rpm speed stirring graphene quantum dot suspension, simultaneously laser irradiation
45min, laser irradiation power is 1.2W.
(2) graphene quantum dot of preparation load silver: ultrasonic agitation (500W ultrasonic power, 300rpm mixing speed) 60ml
Graphene quantum dot suspension, dropping concentration is 0.003mol/L silver nitrate solution, and controlling reaction temperature is 50 DEG C, drips concentration
For 0.05mol/L bis-citric acid monohydrate trisodium, continue ultrasonic agitation 90min；Ageing, cleans, and dries to load the Graphene of silver
Quantum dot；The volume ratio of graphene quantum dot suspension, silver nitrate solution and two citric acid monohydrate trisodiums is 3:3:2.
(3) by the graphene quantum dot ultrasonic agitation (1000W ultrasonic power, 500rpm mixing speed) of 0.3g load silver
It is scattered in ethanol；Add water and the ammonia of volume ratio 4:1 afterwards, be stirring evenly and then adding into tetraethyl orthosilicate, with load silver
The mass ratio of graphene quantum dot is 2:1, and regulation pH value is 9 ~ 10, and reaction temperature is 20 ~ 25 DEG C, reacts 1 hour；Carry out from
The heart also cleans acquisition precipitation with acetone and deionized water successively；This is deposited in 90o3h it is dried, to obtain SiO under C2Bearing of cladding
Carry the graphene quantum dot of silver.
(4) 0.2mol/L titanium source (titanium source is ammonium titanium fluoride) is joined in 1 mol/L sulfuric acid solution, mix homogeneously；Add
Enter the SiO that step (3) prepares2Cladding carries silver graphene quantum dot, is warming up to 100 DEG C, after reaction 3h, adjusts pH with concentrated ammonia solution
Value is to 7, after being aged 6 hours, cleans, is dried, and obtains carrying silver/titanium dioxide graphene quantum dot.
(5) surface carrying silver/titanium dioxide graphene quantum dot processes: 0.008g graphite oxide joins dividing of 8mL
In powder (DMSO), ultrasonic agitation (500W ultrasonic power, 300rpm mixing speed) also adds 0.2g load silver/titanium dioxide graphite
Alkene quantum dot, continues ultrasonic agitation 30min, moves in the microwave hydrothermal reaction kettle (50 mL) that liner is politef, seals
Being placed in microwave assisted hydrothermal synthesis apparatus, microwave power is 300W, reacts 60min at 220 DEG C；Cooling, filters, dries to obtain table
The load silver/titanium dioxide graphene quantum dot that face processes.
(6) weigh porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) to be configured to the Graphene that concentration is 0.5mg/ml and divide
Dissipating solution, solvent is water, acetone or dimethyl sulfoxide；Ultrasonic agitation (1000W ultrasonic power, 800rpm mixing speed) 80ml stone
Ink alkene dispersion soln, adds the load silver/titanium dioxide graphene quantum dot that step (5) prepares, ultrasonic agitation 30min, then moves
To the reactor of politef, at 100 DEG C, it is incubated 30min；Cooling, centrifugal, clean, dry to obtain antimicrobial composite material.
Embodiment 3
A kind of porous graphene carries the preparation method of silver/titanium dioxide antimicrobial composite material, and it comprises the following steps:
(1) prepare graphene quantum dot suspension: weigh 0.8g C60 powder, measure the dense sulfur that 100ml mass fraction is 98%
Acid, mixes C60 powder and concentrated sulphuric acid in beaker, and beaker is placed in ice-water bath, stirs with the speed of 500rpm simultaneously, obtains mixed
Close liquid；Weigh 0.5g potassium permanganate powder, add slowly in above-mentioned mixed liquor；Remove ice-water bath, change water-bath into, keep water
Bath temperature 30 ~ 40 DEG C, reacts 8h；Rapidly join 100ml pure water, filter, then saturating with the bag filter that molecular cut off is 1000
Analyse 3 days, obtain graphene quantum dot suspension；100rpm speed stirring graphene quantum dot suspension, simultaneously laser irradiation
60min, laser irradiation power is 1W.
(2) graphene quantum dot of preparation load silver: ultrasonic agitation (500W ultrasonic power, 300rpm mixing speed) 50ml
Graphene quantum dot suspension, dropping concentration is 0.001mol/L silver nitrate solution, and controlling reaction temperature is 50 DEG C, drips concentration
For 0.01mol/L bis-citric acid monohydrate trisodium, continue ultrasonic agitation 90min；Ageing, cleans, and dries to load the Graphene of silver
Quantum dot；The volume ratio of graphene quantum dot suspension, silver nitrate solution and two citric acid monohydrate trisodiums is 3:2:1.
(3) by the graphene quantum dot ultrasonic agitation (1000W ultrasonic power, 500rpm mixing speed) of 0.5g load silver
It is scattered in ethanol；Add water and the ammonia of volume ratio 3:1 afterwards, be stirring evenly and then adding into tetraethyl orthosilicate, with load silver
The mass ratio of graphene quantum dot is 1:1, and regulation pH value is 9 ~ 10, and reaction temperature is 20 ~ 25 DEG C, reacts 3 hours；Carry out from
The heart also cleans acquisition precipitation with acetone and deionized water successively；This is deposited in 90o3h it is dried, to obtain SiO under C2Bearing of cladding
Carry the graphene quantum dot of silver.
(4) 0.1mol/L titanium source (titanium source is potassium fluotitanate, ammonium titanium fluoride, isopropyl titanate or titanium tetrachloride) is joined
In 1 mol/L sulfuric acid solution, mix homogeneously；Add the SiO that step (3) prepares2Cladding carries silver graphene quantum dot, is warming up to
110 DEG C, after reaction 4h, adjust pH value to 7 with concentrated ammonia solution, after being aged 6 hours, clean, be dried, obtain carrying silver/titanium dioxide
Graphene quantum dot.
(5) surface carrying silver/titanium dioxide graphene quantum dot processes: 0.01g graphite oxide joins the dispersion of 5mL
In agent (DMSO), ultrasonic agitation (500W ultrasonic power, 300rpm mixing speed) also adds 0.1g load silver/titanium dioxide Graphene
Quantum dot, continues ultrasonic agitation 30min, moves in the microwave hydrothermal reaction kettle (50 mL) that liner is politef, after sealing
Being placed in microwave assisted hydrothermal synthesis apparatus, microwave power is 400W, reacts 60min at 200 DEG C；Cooling, filters, dries to obtain surface
The load silver/titanium dioxide graphene quantum dot processed.
(6) weigh porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) to be configured to the Graphene that concentration is 0.8mg/ml and divide
Dissipating solution, solvent is water, acetone or dimethyl sulfoxide；Ultrasonic agitation (1000W ultrasonic power, 800rpm mixing speed) 100ml
Graphene dispersion solution, the load silver/titanium dioxide graphene quantum dot that addition step (5) prepares, ultrasonic agitation 30min, then
Move in the reactor of politef, at 100 DEG C, be incubated 30min；Cooling, centrifugal, clean, dry to obtain antibacterial composite wood
Material.
Comparative example 1
A kind of porous graphene carries the preparation method of silver/titanium dioxide antimicrobial composite material, and it comprises the following steps: weigh porous
Graphene (2 ~ 5 layers, hole size about 3 ~ 6nm) is configured to the graphene dispersion solution that concentration is 0.8mg/ml, and solvent is water, acetone
Or dimethyl sulfoxide；Ultrasonic agitation (1000W ultrasonic power, 800rpm mixing speed) 80ml graphene dispersion solution, drips dense
Degree is 0.001mol/L silver nitrate solution, and controlling reaction temperature is 50 DEG C, and dropping concentration is 0.01mol/L bis-citric acid monohydrate three
Sodium, continues ultrasonic agitation 90min；Ageing, cleans, dries to obtain antimicrobial composite material.
Comparative example 2
A kind of porous graphene carries the preparation method of silver/titanium dioxide antimicrobial composite material, and it comprises the following steps:
(1) compound concentration is 0.001mol/L silver nitrate solution, and controlling reaction temperature is 50 DEG C, and dropping concentration is 0.01mol/L
Two citric acid monohydrate trisodiums, ultrasonic agitation 90min, the volume ratio of silver nitrate solution and two citric acid monohydrate trisodiums is 2:1；Afterwards
Add water and the ammonia of volume ratio 3:1, be stirring evenly and then adding into tetraethyl orthosilicate, with the quality of the graphene quantum dot of load silver
Ratio is 1:1, and regulation pH value is 9 ~ 10, and reaction temperature is 20 ~ 25 DEG C, reacts 3 hours；It is centrifuged and successively with acetone and going
Ionized water cleans and obtains precipitation；This is deposited in 90o3h it is dried, to obtain Ag/SiO under C2；
(2) 0.1mol/L titanium source (titanium source is potassium fluotitanate, ammonium titanium fluoride, isopropyl titanate or titanium tetrachloride) is joined 1
In mol/L sulfuric acid solution, mix homogeneously；Add the Ag/SiO that step (1) prepares2, it is warming up to 110 DEG C, after reaction 4h, uses dense ammonia
Aqueous solution adjusts pH value to 7, after being aged 6 hours, cleans, is dried, obtains Ag/SiO2/ titanium dioxide；
(3) weighing porous graphene (2 ~ 5 layers, hole size about 3 ~ 6nm), to be configured to the graphene dispersion that concentration is 0.8mg/ml molten
Liquid, solvent is water, acetone or dimethyl sulfoxide；Ultrasonic agitation (1000W ultrasonic power, 800rpm mixing speed) 100ml graphite
Alkene dispersion soln, adds the Ag/SiO that step (3) prepares2/ titanium dioxide, ultrasonic agitation 30min, then move to politef
Reactor in, at 100 DEG C be incubated 30min；Cooling, centrifugal, clean, dry to obtain antimicrobial composite material.
Detailed process and step that the antibacterial activity of the antimicrobial composite material prepared by the present invention is evaluated are as follows:
The antibacterial of test is respectively staphylococcus aureus and escherichia coli；With reference to minimal inhibitory concentration (minimal
Inhibitory concentration, MIC) method of testing (Xiang Cai, Shaozao Tan, Aili Yu,
Jinglin Zhang, Jiahao Liu, Wenjie Mai, Zhenyou Jiang. Sodium1-
naphthalenesulfonate- functioned reduced graphene oxide stabilize the silver
nanoparticles with lower cytotoxicity and long-term antibacterial
Activity.Chemistry-An Asian Journal. 2012,7 (7): 1664-1670.), first weigh with electronic balance
Antimicrobial composite material prepared by a certain amount of each embodiment and comparative example, by antimicrobial composite material MH meat soup to the most serial dilute
Release variable concentrations, be added separately in the MH culture fluid containing certain bacterium amount, make the concentration of final bacterium solution be about 106Individual/mL,
Then shaken cultivation 24h at 37 DEG C, observes its result, as shown in table 1.It is not added with the test tube of antimicrobial sample as control tube, nothing
The experiment tube liquid-transparent of bacteria growing, measures the minimum inhibitory concentration (MIC) for this antibacterial with the antibacterial of the longest tube.
Table 1: embodiment 1 ~ 3 and the anti-microbial property of comparative example 1,2 antimicrobial composite material
Long-lasting test: put a conical flask in 40 DEG C of thermostatic water bath, adds prepared by each embodiment of 1g and comparative example in bottle
Antimicrobial composite material sample and 200mL saline (0.9mass%), and in water, soak 6 respectively, 24, sample after 72h, measure it
Low Mlc, as shown in table 2.
Table 2: the long acting antibiotic activity of embodiment 1 ~ 3 and comparative example 1,2 antimicrobial composite material
Embodiment 4
A kind of preparation method of anti static antibacterial coating, it comprises the following steps:
(1) 40 parts of polyurethane resins are dissolved in the mixed solvent of 25 parts of ethyl acetates and cyclohexanone, prepare after mix homogeneously
Film forming matter solution；
(2) take the prepared antimicrobial composite material of 10 parts of embodiments 3 and add in 1/3 film forming matter solution, high speed dispersion 90min, obtain
Antibacterial dispersion liquid；
(3) take 20 parts of conductive fillers and add in 1/3 film forming matter solution, high speed dispersion 90min, obtain conductive dispersions；Described lead
Electricity filler is made up of porous carbon, CNT, white carbon black, graphite and nanometer aluminium powder 4:2:1:1:2 in mass ratio mixing；
Described conductive filler preparation method is as follows: by 5g cellulose, 12mg polystyrolsulfon acid potassium and 30ml water join 100ml
In water heating kettle, in 180 DEG C of baking ovens seal reaction 10h, cleaned after drying, under the air atmosphere of 900 DEG C calcine 1h, obtain
Porous carbon；CNT, nanometer aluminium powder, nano-graphite are dispersed in the aqueous solution of 120ml, immerse porous carbon 2h, allow nanometer
Material well in duct, then sucking filtration；The filter cake of sucking filtration gained is immersed in 50ml sooty water solution, 60min, then
Sucking filtration again；The filter cake distilled water wash of sucking filtration gained again, 120 DEG C of drying, obtain conductive filler under vacuum；
(4) antibacterial dispersion liquid, conductive dispersions are added in 1/3 film forming matter solution, high speed dispersion 90min, sequentially add 4 parts
Natural polymer subclass dispersant, 2 parts of silicone levelling agents, 2 parts of organic siliconresin class defoamer and 3 portions of wax class anti-settling agents are high
Speed prepares anti static antibacterial coating after being uniformly dispersed.
Embodiment 5
A kind of preparation method of anti static antibacterial coating, it comprises the following steps:
(1) 45 parts of polyurethane resins are dissolved in the mixed solvent of 20 parts of ethyl acetates and cyclohexanone, prepare after mix homogeneously
Film forming matter solution；
(2) take the prepared antimicrobial composite material of 15 parts of embodiments 3 and add in 1/3 film forming matter solution, high speed dispersion 90min, obtain
Antibacterial dispersion liquid；
(3) take 15 parts of conductive fillers and add in 1/3 film forming matter solution, high speed dispersion 90min, obtain conductive dispersions；Described lead
Electricity filler is made up of porous carbon, CNT, white carbon black, graphite and nanometer aluminium powder 4:2:1:1:2 in mass ratio mixing；
Described conductive filler preparation method is as follows: by 5g cellulose, 12mg polystyrolsulfon acid potassium and 30ml water join 100ml
In water heating kettle, in 180 DEG C of baking ovens seal reaction 10h, cleaned after drying, under the air atmosphere of 900 DEG C calcine 1h, obtain
Porous carbon；CNT, nanometer aluminium powder, nano-graphite are dispersed in the aqueous solution of 120ml, immerse porous carbon 2h, allow nanometer
Material well in duct, then sucking filtration；The filter cake of sucking filtration gained is immersed in 50ml sooty water solution, 60min, then
Sucking filtration again；The filter cake distilled water wash of sucking filtration gained again, 120 DEG C of drying, obtain conductive filler under vacuum；
(4) antibacterial dispersion liquid, conductive dispersions are added in 1/3 film forming matter solution, high speed dispersion 90min, sequentially add 4 parts
Natural polymer subclass dispersant, 2 parts of silicone levelling agents, 2 parts of organic siliconresin class defoamer and 3 portions of wax class anti-settling agents are high
Speed prepares anti static antibacterial coating after being uniformly dispersed.
Embodiment 6
A kind of preparation method of anti static antibacterial coating, it comprises the following steps:
(1) 50 parts of polyurethane resins are dissolved in the mixed solvent of 30 parts of ethyl acetates and cyclohexanone, prepare after mix homogeneously
Film forming matter solution；
(2) take the prepared antimicrobial composite material of 20 parts of embodiments 3 and add in 1/3 film forming matter solution, high speed dispersion 90min, obtain
Antibacterial dispersion liquid；
(3) take 10 parts of conductive fillers and add in 1/3 film forming matter solution, high speed dispersion 90min, obtain conductive dispersions；Described lead
Electricity filler is made up of porous carbon, CNT, white carbon black, graphite and nanometer aluminium powder 4:2:1:1:2 in mass ratio mixing；
Described conductive filler preparation method is as follows: by 5g cellulose, 12mg polystyrolsulfon acid potassium and 30ml water join 100ml
In water heating kettle, in 180 DEG C of baking ovens seal reaction 10h, cleaned after drying, under the air atmosphere of 900 DEG C calcine 1h, obtain
Porous carbon；CNT, nanometer aluminium powder, nano-graphite are dispersed in the aqueous solution of 120ml, immerse porous carbon 2h, allow nanometer
Material well in duct, then sucking filtration；The filter cake of sucking filtration gained is immersed in 50ml sooty water solution, 60min, then
Sucking filtration again；The filter cake distilled water wash of sucking filtration gained again, 120 DEG C of drying, obtain conductive filler under vacuum；
(4) antibacterial dispersion liquid, conductive dispersions are added in 1/3 film forming matter solution, high speed dispersion 90min, sequentially add 4 parts
Natural polymer subclass dispersant, 2 parts of silicone levelling agents, 2 parts of organic siliconresin class defoamer and 3 portions of wax class anti-settling agents are high
Speed prepares anti static antibacterial coating after being uniformly dispersed.
Comparative example 3
A kind of preparation method of anti static antibacterial coating, it comprises the following steps:
(1) 50 parts of polyurethane resins are dissolved in the mixed solvent of 30 parts of ethyl acetates and cyclohexanone, prepare after mix homogeneously
Film forming matter solution；
(2) take 20 parts of nano silver antimicrobials and add in 1/3 film forming matter solution, high speed dispersion 90min, obtain antibacterial dispersion liquid；
(3) take 10 parts of conductive carbon blacks and graphite mixed fillers adds in 1/3 film forming matter solution, high speed dispersion 90min, conducted electricity
Dispersion liquid；
(4) antibacterial dispersion liquid, conductive dispersions are added in 1/3 film forming matter solution, high speed dispersion 90min, sequentially add 4 parts
Natural polymer subclass dispersant, 2 parts of silicone levelling agents, 2 parts of organic siliconresin class defoamer and 3 portions of wax class anti-settling agents are high
Speed prepares anti static antibacterial coating after being uniformly dispersed.
Comparative example 4
A kind of preparation method of anti static antibacterial coating, it comprises the following steps:
(1) 50 parts of polyurethane resins are dissolved in the mixed solvent of 30 parts of ethyl acetates and cyclohexanone, prepare after mix homogeneously
Film forming matter solution；
(2) take 10 parts of conductive carbon blacks and graphite mixed fillers adds in film forming matter solution, high speed dispersion 90min, obtain conduction point
Dissipate liquid；
(3) 4 parts of natural polymer subclass dispersants, 2 parts of silicone levelling agents, 2 parts of organic siliconresin class froth breakings are sequentially added
Agent and 3 portions of wax class anti-settling agents, high speed dispersion prepares anti static antibacterial coating the most afterwards.
Testing the antibiotic antistatic coating of embodiment 4 ~ 6 and comparative example 3,4, result is as follows:
Antibacterial Evaluation for Uniformity: be coated uniformly on by coating on glass or ceramic wafer, chooses 100 regions and carries out sterilizing test,
The data recorded are carried out Uniformity Analysis, by the uniformity=100* (1-standard deviation/meansigma methods).When the uniformity is more than
97%, then be labeled as ▲；When the uniformity is more than 90% and less than 97%, then it is labeled as ☆；When the uniformity is less than 90%, then it is labeled as
╳。
Embodiment described above only have expressed embodiments of the present invention, and it describes more concrete and detailed, but can not
Therefore the restriction to the scope of the claims of the present invention it is interpreted as, as long as using the skill that the form of equivalent or equivalent transformation is obtained
Art scheme, all should fall within the scope and spirit of the invention.
Claims (10)
1. a preparation method for anti static antibacterial coating, it comprises the following steps:
(1) 40 ~ 50 parts of film forming matters are dissolved in 20 ~ 30 parts of solvents, after mix homogeneously, prepare film forming matter solution；
(2) take 10 ~ 20 parts of antimicrobial composite materials and add in 1/3 film forming matter solution, high speed dispersion 60 ~ 90min, obtain antibacterial dispersion
Liquid；
(3) take 10 ~ 20 parts of conductive fillers and add in 1/3 film forming matter solution, high speed dispersion 60 ~ 90min, obtain conductive dispersions；
Described conductive filler is made up of porous carbon, CNT, white carbon black, graphite and nanometer aluminium powder 4:2:1:1:2 in mass ratio mixing；
(4) antibacterial dispersion liquid, conductive dispersions are added in 1/3 film forming matter solution, high speed dispersion 60 ~ 90min, sequentially add
3 ~ 5 parts of dispersants, 1 ~ 5 part of levelling agent, 1 ~ 3 part of defoamer and 1 ~ 5 portion of anti-settling agent, high speed dispersion prepares anti-electrostatic antibiotic the most afterwards
Coating.
The preparation method of anti static antibacterial coating the most according to claim 1, it is characterised in that described film forming matter is saturated
Polyester resin or polyurethane resin.
The preparation method of anti static antibacterial coating the most according to claim 1, it is characterised in that prepared by described conductive filler
Method is as follows: by 5g cellulose, and 12mg polystyrolsulfon acid potassium and 30ml water join in 100ml water heating kettle, at 180 DEG C of baking ovens
Middle seal reaction 10h, cleaned after drying, under the air atmosphere of 900 DEG C calcine 1h, obtain porous carbon；By CNT, receive
Rice aluminium powder, nano-graphite are dispersed in the aqueous solution of 120ml, immerse porous carbon 1 ~ 2h, allow nano material well in duct,
Then sucking filtration；The filter cake of sucking filtration gained is immersed in 50ml sooty water solution, 30 ~ 60min, the most again sucking filtration；Sucking filtration again
The filter cake distilled water wash of gained, 120 DEG C of drying, obtain conductive filler under vacuum.
The preparation method of anti static antibacterial coating the most according to claim 1, it is characterised in that described antimicrobial composite material
Preparation method as follows:
(1) graphene quantum dot of preparation load silver: ultrasonic agitation 50 ~ 60ml graphene quantum dot suspension, drips silver nitrate
Solution, controlling reaction temperature is 45 ~ 60 DEG C, and dropping continues ultrasonic agitation 60 ~ 120min；Ageing, cleans, and dries to obtain load silver
Graphene quantum dot；
(2) the graphene quantum dot ultrasonic agitation of 0.1 ~ 0.5g load silver is scattered in ethanol；Add volume ratio 3 ~ 5:1 afterwards
Water and ammonia, be stirring evenly and then adding into tetraethyl orthosilicate, regulation pH value is 9 ~ 10, and reaction temperature is 20 ~ 25 DEG C, reacts 1 ~ 3
Hour；It is centrifuged and cleans with acetone and deionized water successively obtaining precipitation；It is dried, obtains SiO2The stone of the load silver of cladding
Ink alkene quantum dot；
(3) 0.1 ~ 0.3mol/L titanium source is joined in 1 mol/L sulfuric acid solution, mix homogeneously；Add what step (2) prepared
SiO2Cladding carries silver graphene quantum dot, is warming up to 100 ~ 110 DEG C, after reaction 2 ~ 4h, with concentrated ammonia solution tune pH value to 7, old
Change, clean, be dried, obtain carrying silver/titanium dioxide graphene quantum dot；
(4) surface carrying silver/titanium dioxide graphene quantum dot processes；
(5) weigh porous graphene and be configured to the graphene dispersion solution that concentration is 0.2 ~ 0.8mg/ml, solvent be water, acetone or
Dimethyl sulfoxide；Ultrasonic agitation 80 ~ 100ml graphene dispersion solution, adds the load silver/titanium dioxide graphite that step (4) prepares
Alkene quantum dot, ultrasonic agitation 10 ~ 30min, then move in the reactor of politef, at 80 ~ 120 DEG C be incubated 15 ~
30min；Cooling, centrifugal, clean, dry to obtain antimicrobial composite material.
The preparation method of anti static antibacterial coating the most according to claim 1, it is characterised in that described graphene quantum dot
The preparation method of suspension is as follows: weigh 0.5 ~ 0.8g C60 powder, measures the concentrated sulphuric acid that 50 ~ 100ml mass fraction is 98%,
C60 powder and concentrated sulphuric acid being mixed in beaker, beaker is placed in ice-water bath, stirs with the speed of 300 ~ 500rpm simultaneously,
Mixed liquor；Weigh 0.5 ~ 3g potassium permanganate powder, add slowly in above-mentioned mixed liquor；Remove ice-water bath, change water-bath into, protect
Water holding bath temperature 30 ~ 40 DEG C, reacts 5 ~ 8h；Rapidly join 100 ~ 200ml pure water, filter, be then 1000 with molecular cut off
Bag filter dialyse 3 days, obtain graphene quantum dot suspension；100rpm speed stirring graphene quantum dot suspension, swashs simultaneously
Photoirradiation 30 ~ 60min, laser irradiation power is 1 ~ 2W.
The preparation method of anti static antibacterial coating the most according to claim 1, it is characterised in that described porous graphene is
2 ~ 5 layers, the porous graphene of hole size about 3 ~ 6nm.
The preparation method of anti static antibacterial coating the most according to claim 1, it is characterised in that described load silver/titanium dioxide
The surface of titanium graphene quantum dot processes particularly as follows: joined by 0.005 ~ 0.01g graphite oxide in the dispersant of 5 ~ 10mL, super
Sound stirs and adds 0.1 ~ 0.3g and carries silver/titanium dioxide graphene quantum dot, continues ultrasonic agitation 10 ~ 30min, and moving to liner is
In the microwave hydrothermal reaction kettle of politef, sealing and be placed in microwave assisted hydrothermal synthesis apparatus, microwave power is 200 ~
400W, reacts 60 ~ 90min at 200 ~ 240 DEG C；Cooling, filter, dry surface process load silver/titanium dioxide Graphene amount
Sub-point.
The preparation method of anti static antibacterial coating the most according to claim 1, it is characterised in that described defoamer is organic
Silicones class defoamer, modified organic silicone resin class defoamer and silicon dioxide and the mixing species defoamer of organic siliconresin
At least two；Described anti-settling agent is at least one of wax class anti-settling agent, silica-based anti-settling agent and polyureas anti-settling agent；Institute
Stating levelling agent is at least one of solvent levelling agent, acrylic compounds levelling agent and silicone levelling agent.
The preparation method of anti static antibacterial coating the most according to claim 1, it is characterised in that described dispersant is natural
High score subclass dispersant, synthesis high score subclass dispersant, polyvalent carboxylic acid's class dispersant, block macromolecular copolymer analog dispersant and
At least one of special ethylenic polymer species dispersant；Described solvent is the mixture of esters solvent and ketones solvent, described
Esters solvent is ethyl acetate or butyl acetate, and described ketones solvent is cyclohexanone, N-Methyl pyrrolidone, butanone or methyl
Isobutyl ketone.
10. an anti static antibacterial coating, it is characterised in that prepared by the arbitrary described preparation method of claim 1 to 9.
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